723
FNCA52 TJSJ 041930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST SAT APR 4 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-050800-
SOUTHEAST COASTAL PLAINS-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 60 50 0
TEMP (24H TREND) 70 (-1) 86 (+1) 70 87
RH % (24H TREND) 90 (+1) 54 (-3) 92 52
WIND 20FT/EARLY(MPH) E 11 E 14 G22 E 12 E 12
WIND 20FT/LATE(MPH) E 11 SE 14 G22 E 10 SE 12
MIXING HGT(FT-AGL/MSL) 4430 4720
TRANSPORT WND (MPH) E 18 SE 15
VENT RATE (KT-FT) 70880 61360
DISPERSION 5 5
DSI 5 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-050800-
SOUTHERN HILLS-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 70 40 20
TEMP (24H TREND) 67 (-2) 82 (+2) 67 83
RH % (24H TREND) 98 (+5) 68 (-3) 98 66
WIND 20FT/EARLY(MPH) E 13 E 13 E 13 E 12
WIND 20FT/LATE(MPH) E 13 SE 13 E 13 SE 11
MIXING HGT(FT-AGL/MSL) 4910 5330
TRANSPORT WND (MPH) E 18 SE 15
VENT RATE (KT-FT) 78560 69290
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-050800-
NORTH COASTAL PLAINS-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 90 40 50
TEMP (24H TREND) 69 (-2) 85 (0) 69 87
RH % (24H TREND) 99 (+3) 65 (-2) 98 61
WIND 20FT/EARLY(MPH) E 17 E 13 E 12 SE 13
WIND 20FT/LATE(MPH) E 13 E 17 SE 12 E 14
MIXING HGT(FT-AGL/MSL) 4610 5220
TRANSPORT WND (MPH) E 17 SE 13
VENT RATE (KT-FT) 69150 57420
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-050800-
NORTHERN HILLS-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 100 10 60
TEMP (24H TREND) 67 (-2) 85 (+2) 66 86
RH % (24H TREND) 99 (+2) 63 (-3) 97 62
WIND 20FT/EARLY(MPH) E 14 E 12 E 10 SE 10
WIND 20FT/LATE(MPH) E 11 E 14 SE 9 E 13
MIXING HGT(FT-AGL/MSL) 5390 5980
TRANSPORT WND (MPH) E 15 SE 9
VENT RATE (KT-FT) 70070 47840
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-050800-
WEST COAST-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS TSTMS NONE TSTMS
CHANCE PRECIP (%) 30 60 0 30
TEMP (24H TREND) 69 (0) 87 (+1) 69 87
RH % (24H TREND) 97 (+2) 63 (-2) 97 62
WIND 20FT/EARLY(MPH) E 12 E 14 E 13 E 14
WIND 20FT/LATE(MPH) E 11 SE 16 E 13 SE 14
MIXING HGT(FT-AGL/MSL) 4560 4760
TRANSPORT WND (MPH) E 14 SE 15
VENT RATE (KT-FT) 54720 61880
DISPERSION 5 5
DSI 4 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-050800-
EASTERN INTERIOR-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 80 50 40
TEMP (24H TREND) 68 (-2) 83 (+2) 67 84
RH % (24H TREND) 99 (+3) 69 (-2) 99 66
WIND 20FT/EARLY(MPH) E 14 E 14 SE 16 SE 13
WIND 20FT/LATE(MPH) E 14 SE 14 SE 16 SE 13
MIXING HGT(FT-AGL/MSL) 4330 5740
TRANSPORT WND (MPH) E 17 SE 14
VENT RATE (KT-FT) 64950 68880
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-050800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 80 50 30
TEMP (24H TREND) 65 (-3) 79 (+2) 65 79
RH % (24H TREND) 100 (+2) 74 (-3) 100 72
WIND 20FT/EARLY(MPH) E 11 SE 12 SE 12 SE 12
WIND 20FT/LATE(MPH) E 11 SE 12 SE 12 SE 11
MIXING HGT(FT-AGL/MSL) 3320 3900
TRANSPORT WND (MPH) E 18 SE 16
VENT RATE (KT-FT) 53120 54600
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-050800-
CENTRAL MOUNTAIN RANGE-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 80 10 60
TEMP (24H TREND) 64 (-2) 82 (+3) 64 83
RH % (24H TREND) 99 (+2) 65 (-6) 99 65
WIND 20FT/EARLY(MPH) E 10 E 10 SE 9 SE 10
WIND 20FT/LATE(MPH) E 9 SE 10 SE 6 SE 10
MIXING HGT(FT-AGL/MSL) 5710 6370
TRANSPORT WND (MPH) E 15 SE 12
VENT RATE (KT-FT) 74230 63700
DISPERSION 5 5
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-050800-
CAYEY MOUNTAIN RANGE-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 70 50 30
TEMP (24H TREND) 67 (-1) 78 (+1) 66 79
RH % (24H TREND) 100 (+2) 76 (-1) 100 74
WIND 20FT/EARLY(MPH) E 11 E 11 SE 10 SE 10
WIND 20FT/LATE(MPH) E 10 SE 11 SE 11 SE 10
MIXING HGT(FT-AGL/MSL) 3790 4770
TRANSPORT WND (MPH) E 18 SE 15
VENT RATE (KT-FT) 60640 62010
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-050800-
VIEQUES-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 40 30
TEMP (24H TREND) 72 (-1) 85 (0) 72 85
RH % (24H TREND) 92 (+2) 62 (-2) 93 62
WIND 20FT/EARLY(MPH) E 18 E 17 E 19 E 17
WIND 20FT/LATE(MPH) E 18 E 17 SE 18 SE 14
MIXING HGT(FT-AGL/MSL) 3080 2860
TRANSPORT WND (MPH) E 22 SE 18
VENT RATE (KT-FT) 58520 45760
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-050800-
CULEBRA-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 40 30
TEMP (24H TREND) 72 (-3) 85 (0) 73 86
RH % (24H TREND) 96 (+6) 65 (-1) 94 62
WIND 20FT/EARLY(MPH) E 18 E 17 E 19 E 17
WIND 20FT/LATE(MPH) E 18 E 17 E 18 SE 16
MIXING HGT(FT-AGL/MSL) 3080 2790
TRANSPORT WND (MPH) E 22 E 23
VENT RATE (KT-FT) 58520 55800
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-050800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 60 40 10 0
TEMP (24H TREND) 70 (0) 87 (+1) 71 88
RH % (24H TREND) 92 (+2) 53 (-3) 92 51
WIND 20FT/EARLY(MPH) E 12 E 17 G25 E 18 E 17
WIND 20FT/LATE(MPH) E 14 SE 18 G27 E 18 SE 16 G23
MIXING HGT(FT-AGL/MSL) 4660 4750
TRANSPORT WND (MPH) E 22 SE 18
VENT RATE (KT-FT) 88540 76000
DISPERSION 5 5
DSI 5 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-050800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 60 40 20
TEMP (24H TREND) 72 (-3) 85 (+1) 72 85
RH % (24H TREND) 96 (+7) 61 (-5) 96 61
WIND 20FT/EARLY(MPH) E 19 E 18 E 20 E 18
WIND 20FT/LATE(MPH) E 18 E 18 E 19 E 16
MIXING HGT(FT-AGL/MSL) 3130 2830
TRANSPORT WND (MPH) E 23 E 24
VENT RATE (KT-FT) 62600 59430
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-050800-
ST CROIX-
330 PM AST SAT APR 4 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 60 30 20
TEMP (24H TREND) 71 (-3) 86 (+1) 72 86
RH % (24H TREND) 95 (+4) 63 (-4) 94 63
WIND 20FT/EARLY(MPH) E 18 E 17 E 18 E 17
WIND 20FT/LATE(MPH) E 18 E 17 E 18 E 16
MIXING HGT(FT-AGL/MSL) 3620 4340
TRANSPORT WND (MPH) E 23 SE 20
VENT RATE (KT-FT) 72400 73780
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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